Pitot/Static Checks

Aside from annual inspection, one of the most dreaded chores of aircraft ownership is complying with FAA-required pitot, static and transponder system recertification. You do comply, dont you? Maybe its the hassle of clearing your schedule to fly the airplane to the shop for the inspection. Or the bigger hassle when the inspection reveals problems that create unplanned expense because the huge amount of labor involved with static-system repairs can cost real money. For the aging fleet of steam-gauge equipped aircraft, pitot/static systems and related instruments often require repair or rebuild. Many owners motor along clueless to their substandard system.

Key Takeaways:

• FAA regulations (FAR 91.411 for IFR and 91.413 for transponders) mandate regular (every 24 calendar months) recertification of pitot/static systems, altimeters, and transponders, and also after any system maintenance.
• These certifications are crucial as altimeters are prone to various errors (mechanical, scale, hysteresis, installation, and case leakage) and transponders have strict performance requirements, all of which can lead to unsafe inaccuracies if unaddressed.
• Maintaining complete and accurate aircraft logbooks, including instrument details and correction cards, helps streamline the inspection process and reduce labor costs.
• Neglecting these mandatory inspections and system upkeep poses significant safety risks, such as dangerously inaccurate altimeter readings or altitude reporting, and can lead to FAA enforcement actions.

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